Could it be a nutritional deficiency?
Researchers think that the Mediterranean diet, rich in fruits, vegetables and nuts, is one of the best ways of preventing the problem.
Can I help myself?
They have noted that those who eat plenty of vegetables and fruit, and omega 3 fatty acids from fish, are less likely to suffer from depression.
Researchers from the University of Las Palmas in the Canary Islands tracked the health and diets of 15,093 participants over a 10 year period.
Source – BMC Medicine, 2015